I don't know how accurate that AJAX tracker is (it seems kind of fast to my eyes) but I'm in Madison WI, and it had the EAS passing over Madison at exactly 9: 46 CST, and I happened to be reading this post at exactly 9: 45 CST.

He says that the fun of using his LEGO time tracker is a big advantage — we do use systems we enjoy using — but that co-workers coming to your place and disassembling your workweek is the one disadvantage.